September Weather in Essex, Canada

Last updated: June 18, 2025

In September, the average temperature in Essex, Canada hovers around 19°C (67°F), with a minimum dip to 7°C (44°F) and a soaring maximum of 31°C (88°F). Expect about 58 mm (2.3 in) of precipitation spread over 8 days, creating an average humidity of 80%. Be prepared for a mix of warm days and occasional showers!

September Temperature in Essex

In September in Essex, the average temperature is 19°C (67°F), with maximums reaching up to 31°C (88°F) and minimums dipping as low as 7°C (44°F). It’s a great time to explore the diverse outdoor activities, so be sure to pack for both warm days and cool evenings.

September Weather in Essex: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Essex, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Essex, September typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec282936465970757467564134
Data source: Temperature data for Essex generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Essex

In Essex in September, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

September Precipitation Trends in Essex

The chart displays monthly precipitation patterns in Essex, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Essex, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec64677294109849079581008060
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Essex

In Essex in September humidity is 80%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor exploration a bit uncomfortable and sticky, yet it encourages you to seek out refreshing indoor activities or shaded spots to escape the heat.

September Average Humidity in Essex

This chart illustrates the average monthly humidity levels in Essex, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Essex is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Essex

In Essex in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Essex.

Maximum UV Index Levels in Essex for September

The chart shows the monthly maximum UV Index (UVI) for Essex in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Essex typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25589101098542
Data source: Essex September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Essex Compares to Other Months

Weather in Essex varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Essex, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Essex, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)64 mm (2.5 inches)88%low
February Weather-2°C (29°F)67 mm (2.6 inches)87%moderate
March Weather2°C (37°F)72 mm (2.8 inches)85%moderate
April Weather8°C (47°F)94 mm (3.7 inches)86%very high
May Weather15°C (59°F)109 mm (4.3 inches)80%very high
June Weather21°C (70°F)84 mm (3.3 inches)80%very high
July Weather24°C (76°F)90 mm (3.6 inches)80%very high
August Weather23°C (74°F)79 mm (3.1 inches)80%very high
September Weather19°C (67°F)58 mm (2.3 inches)80%very high
October Weather13°C (56°F)100 mm (3.9 inches)84%moderate
November Weather5°C (41°F)80 mm (3.2 inches)89%moderate
December Weather1°C (34°F)60 mm (2.3 inches)86%low

Compare Essex's Climate with Cities Worldwide